/Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/Graph/MovieGraphBlueprintLibrary.h
If InNode is valid, inspects the provided OutputsettingNode to determine if it wants to override the Frame Rate, and if so, returns the overwritten frame rate. If nullptr, or it does not have the bOverride_bUseCustomFrameRate flag set, then InDefaultrate is returned.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Movie Graph") static [FFrameRate](API\Runtime\Core\Misc\FFrameRate) GetEffectiveFrameRate ( [UMovieGraphOutputSettingNode](API\Plugins\MovieRenderPipelineCore\Graph\Nodes\UMovieGraphOutputSettingNode) * InNode, const [FFrameRate](API\Runtime\Core\Misc\FFrameRate) & InDefaultRate )